What is "catecholaminergic"

a. (context medicine English) That is activated by, or that secretes catecholamines

Catecholaminergic means "related to catecholamines". The catecholamine neurotransmitters include dopamine, epinephrine (adrenaline), and norepinephrine (noradrenaline).

A catecholaminergic agent (or drug) is a chemical which functions to directly modulate the catecholamine systems in the body or brain. Examples include adrenergics and dopaminergics.